TY  - BOOK
AU  - Doebner H D Ed.
AU  -  Andersson S I Ed.
AU  -  Petry H R Ed.
ED  - International conference on differential geometric methods in methematical physics (July-5,19 : University of Clausthal Clausthal)
TI  - Proceeding on differential geometric methods in mathematical physics
T2  - Lecture notes in mathematics; 905
U1  - B6:3:(CN1)p1,N80, M2 
PY  - 1984///
CY  - Berlin
PB  - Springer-Verlag         
ER  -